http://www.saiyanisland.com/2011/09/first-one-piece-kaizoku-musou-trailer/

à propos (en anglais)
One Piece PS3, One Piece: Kaizoku Musou, is the first One Piece game on the Sony PlayStation 3. It is in development by Tecmo Koei and will be published by Namco Bandai Games in Japan in 2012. The game will be an action/adventure hack-and-slash like the Dynasty Warriors series of games. No plans have been revealed for a North American or European release as of this post.